Title:
【発明の名称】熱衝撃損傷を軽減するための予熱遮蔽体を有する燃料噴射ノズル
Document Type and Number:
Japanese Patent JP3410475
Kind Code:
B2
Abstract:
The operating life of a fuel injector nozzle for a gasifier is prolonged by shielding the fuel injector nozzle with a preformed protective insulating sheath before the fuel injector nozzle is installed inside a preheated reaction chamber of the gasifier. The thermal insulating sheath has low thermal conductivity and is placed around the fuel injector nozzle body. The thermal sheath can also be positioned to cover a downstream end of the fuel injector nozzle that includes a nozzle portion. The thermal insulating sheath is supported by ceramic rope, solder or metal wire and is gradually consumable in the environs of the reaction chamber immediately after the fuel injector nozzle is installed. Before the thermal sheath is consumed, it moderates the temperature rise rate of the fuel injector nozzle while the fuel injector nozzle is being installed in the gasifier.
Inventors:
Broker Donald Dahn
Application Number:
JP53294298A
Publication Date:
May 26, 2003
Filing Date:
January 21, 1998
Export Citation:
Assignee:
Texaco Development Corporation
International Classes:
C10J3/46; C10J3/48; F23D1/00; F23D14/22; F23D14/76; F23D14/78; (IPC1-7): C10J3/46
Domestic Patent References:
| JP59227977A |
Attorney, Agent or Firm:
Hideo Dobashi (1 outside)